Chemistry, 30.12.2021 14:00 Questions138
Which gem has an unusual dark brown or black color when it occurs as crystals with an Al impurity in pegmatites rich in silica
Answers: 2
Chemistry, 22.06.2019 00:30
What does x represent in the formula for the compound xcl4?
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Chemistry, 22.06.2019 02:50
Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)
Answers: 1
Chemistry, 22.06.2019 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
Which gem has an unusual dark brown or black color when it occurs as crystals with an Al impurity in...
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